High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 171822 CCA
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC WED DEC 17 2014

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS

SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT
OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE MORE THAN
TWICE THE SIGNIFICANT WAVE HEIGHT.

THIS HIGH SEAS FORECAST USES 1-MINUTE AVERAGE WINDS WHICH MAY BE
HIGHER THAN 10-MINUTE AVERAGE WINDS.

SECURITE

NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E

SYNOPSIS VALID 1200 UTC DEC 17 2014.
24 HOUR FORECAST VALID 1200 UTC DEC 18 2014.
48 HOUR FORECAST VALID 1200 UTC DEC 19 2014.

.WARNINGS.

...GALE WARNING...
.FRONT W OF FORECAST AREA AT 30N157E TO 25N150E...MOVING E 20 KT.
S AND SW WINDS 20 TO 35 KT N OF A LINE FROM 30N170E TO 26N160E.
SCATTERED MODERATE TSTMS N OF 28N W OF 165E.
.24 HOUR FORECAST FRONT 30N165E TO 27N160E. WINDS 20 TO 30 KT N OF
27N W OF 180W.
.48 HOUR FORECAST FRONT 30N176E TO 26N170E TO 22N160E. WINDS 20 TO
30 KT N OF A LINE 30N162E TO 26N172E TO 30N175W.

.SYNOPSIS AND FORECAST.

.WEAKENING FRONT 30N167W TO 28N172W TO 26N180W TO 26N170E MOVING E
30 KT.
.24 HOUR FORECAST WEAK FRONT 30N152W TO 29N160W.
.48 HOUR FORECAST FRONT DISSIPATED OVER FORECAST WATERS.

.TROUGH 20N173W TO 10N175W NEARLY STATIONARY. ISOLATED TSTMS WITHIN
300 NM E OF TROUGH.
.24 HOUR FORECAST TROUGH DISSIPATED.

.HIGH 29N151W 1026 MB MOVING E 10 KT. RIDGES FROM HIGH TO 28N140W...
AND FROM HIGH TO 27N167W.
.24 HOUR FORECAST HIGH 29N150W 1026 MB.
.48 HOUR FORECAST HIGH 30N148W 1024 MB.

.NE TO E WINDS 20 TO 25 KT FROM 07N TO 20N E OF 180W.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT IN AREA BOUNDED BY
20N140W 24N160W 20N180W 06N180W 07N140W AND 20N140W.
.48 HOUR FORECAST NO SIGNIFICANT CHANGE.

.WINDS 20 KT OR LESS OVER REST OF FORECAST AREA.

.SEAS 10 TO 14 FT N OF A LINE...30N173W TO 25N175E 30N172E.
SEAS 8 TO 12 FT BETWEEN 20N AND 03N E OF 180W. SEAS 7 TO 10 FT
ELSEWHERE N OF A LINE...10N160W 11N165E 04N175W 04N140W.
.24 HOUR FORECAST SEAS 15 TO 23 FT N OF A LINE...30N165E 27N150E.
SEAS 10 TO 15 FT ELSEWHERE N OF A LINE...30N168E TO 25N160E...
AND N OF A LINE...30N156W 26N163W 25N170W 30N172W. SEAS 7 TO 11 FT
ELSEWHERE N OF A LINE...10N160E 10N170E 04N170W 04N140W.
.48 HOUR FORECAST SEAS 15 TO 25 FT N OF A LINE...30N177E 25N170E
23N164E 23N160E. SEAS 10 TO 15 FT ELSEWHERE N OF A LINE...30N178W
27N177E 18N165E 16N160E. SEAS 10 TO 16 FT N OF A LINE...30N157W
21N152W 23N160W 30N157W. SEAS 7 TO 11 FT ELSEWHERE N OF A LINE...
12N160E 13N170E 05N180W 00N163W.

.SEAS 8 FT OR LESS OVER REST OF FORECAST AREA.

.SCATTERED MODERATE TSTMS S OF 08N BETWEEN 175W AND 175E.

.ITCZ FROM 06N140W TO 05N155W TO 03N174W. SCATTERED MODERATE TO
STRONG TSTMS WITHIN 300 NM N OF ITCZ BETWEEN 155W AND 170W.

$$

.FORECASTER LAU. HONOLULU HI.





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